Enquiries to the BRANZ helpline show that the meanings of characteristic strength, capacity, ultimate load and serviceability load are not well understood. We take a look at what the various terms mean.
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Most timber trusses are delivered to site as one-piece building components. However, occasionally they are delivered in sections and must be joined on site. Correct installation of these is critical to maintain the designed load paths.
Recent changes to the loading standards will mean changes to the design of barriers.